4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From reactant having a halogen atom or oxygen single bonded...

Robert Kumpf

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Aromatic polyethers containing ester groups

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent

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Mixtures of cyclic oligocarbonates, their production and use

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate

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Mixtures of cyclic oligocarbonates, their production and use

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having a halogen atom or oxygen single bonded...
Patent

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Profile ID: LFUS-PAI-P-1133147

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